Search a number
-
+
233133042 = 23313124139
BaseRepresentation
bin11011110010101…
…01001111110010
3121020200101102010
431321111033302
5434140224132
635044503350
75530412112
oct1571251762
9536611363
10233133042
1110a66333a
12660aab56
13393b835c
1422d69042
15157016cc
hexde553f2

233133042 has 16 divisors (see below), whose sum is σ = 467759520. Its totient is φ = 77462112.

The previous prime is 233133023. The next prime is 233133049. The reversal of 233133042 is 240331332.

It is a super-4 number, since 4×2331330424 (a number of 35 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (233133049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60192 + ... + 63947.

It is an arithmetic number, because the mean of its divisors is an integer number (29234970).

Almost surely, 2233133042 is an apocalyptic number.

233133042 is an abundant number, since it is smaller than the sum of its proper divisors (234626478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233133042 is a wasteful number, since it uses less digits than its factorization.

233133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124457.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 233133042 is about 15268.6948361672. The cubic root of 233133042 is about 615.4620468568.

Adding to 233133042 its reverse (240331332), we get a palindrome (473464374).

The spelling of 233133042 in words is "two hundred thirty-three million, one hundred thirty-three thousand, forty-two".

Divisors: 1 2 3 6 313 626 939 1878 124139 248278 372417 744834 38855507 77711014 116566521 233133042